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+<?xml version="1.0" encoding="UTF-8"?>
+<helpdocument version="1.0">
+<!--
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+-->
+<meta>
+ <topic id="textscalc01func_imtanxml">
+ <title id="tit" xml-lang="en-US">IMTAN function</title>
+ <filename>/text/scalc/01/func_imtan.xhp</filename>
+ </topic>
+</meta>
+<body>
+ <section id="imtan_function">
+ <bookmark xml-lang="en-US" branch="hid/SC_HID_AAI_FUNC_IMTAN" id="bm_id814415710920" localize="false"/>
+ <bookmark xml-lang="en-US" branch="index" id="bm_id4210250889873">
+ <bookmark_value>IMTAN function</bookmark_value>
+ <bookmark_value>tangent;complex number</bookmark_value>
+ </bookmark>
+ <h2 id="hd_id9522389621160">
+ <variable id="imtan_head">
+ <link href="text/scalc/01/func_imtan.xhp">IMTAN</link>
+ </variable> function
+ </h2>
+ <paragraph id="par_id5700137827273" role="paragraph" xml-lang="en-US">
+ <ahelp hid=".">
+ <variable id="imtan_des">Returns the tangent of a complex number.</variable> The tangent of a complex number can be expressed by:
+ </ahelp>
+ </paragraph>
+ </section>
+ <paragraph id="par_id25021317131239" role="paragraph" xml-lang="en-US">
+ <image src="media/helpimg/scalc/IMTAN_equation.svg" id="img_id211575078735993" width="353.294px" height="59.5625px"><alt xml-lang="en-US" id="alt_id401575078735994">IMTAN equation</alt></image>
+ </paragraph>
+ <embed href="text/scalc/01/ful_func.xhp#func_im_des"/>
+ <embed href="text/scalc/01/ODFF.xhp#odff"/>
+ <embed href="text/scalc/00/avail_release.xhp#3.6"/>
+ <embed href="text/scalc/01/ful_func.xhp#func_head_syntax"/>
+ <paragraph id="par_id23219159944377" role="code" xml-lang="en-US">
+ IMTAN(Complex_number)
+ </paragraph>
+ <paragraph id="par_id10242899132094" role="paragraph" xml-lang="en-US">
+ Complex_number is a complex number whose tangent is to be calculated.
+ </paragraph>
+ <note localize="false" id="par_id21830101306312">
+ <embedvar href="text/scalc/01/ful_func.xhp#func_im_comp_numb"/><br/>
+ <embedvar href="text/scalc/01/ful_func.xhp#func_im_real_numb"/>
+ </note>
+ <warning localize="false" id="par_id307202808512424">
+ <embedvar href="text/scalc/01/ful_func.xhp#func_im_return_text"/><br/>
+ <embedvar href="text/scalc/01/ful_func.xhp#func_im_ignor_zero"/>
+ </warning>
+ <embed href="text/scalc/01/ful_func.xhp#func_head_example"/>
+ <paragraph id="par_id5063188419467" role="paragraph" xml-lang="en-US">
+ <item type="input">=IMTAN("4-3i")</item><br/>
+ returns 0.00490825806749606-1.00070953606723i.
+ </paragraph>
+ <paragraph id="par_id1527387141125" role="paragraph" xml-lang="en-US">
+ <item type="input">=IMTAN(2)</item><br/>
+ returns -2.18503986326152 as a string. <embedvar href="text/scalc/01/ful_func.xhp#func_imag_zero"/>
+ </paragraph>
+ <embed href="text/scalc/06/calcsamplefiles.xhp#imtrigon"/>
+ <section id="relatedtopics">
+ <paragraph id="par_id2479417868613" role="paragraph" localize="false" xml-lang="en-US">
+ <embedvar href="text/scalc/01/func_imcot.xhp#imcot_head"/>
+ </paragraph>
+ </section>
+</body>
+</helpdocument>